The embattled Republican Speaker of the House Mike Johnson is vowing to use the arsenal of tools at his disposal, including defunding, to target the U.S. Dept. of Justice after ex-president Donald Trump was convicted in a New York State prosecution on 34 felony charges last week. In a Tuesday meeting behind closed doors with his House Republican conference members, Johnson said “he will do everything he can to go after the Department of Justice,” CNN reported, “and said the verdict has ignited support for the former president, two sources familiar with the comments told CNN.” The Speaker “pres…